deoxidizePronunciation: /diːˈɒksɪdʌɪz/ (also deoxidise)Definition of deoxidize verb [with object] remove combined oxygen from (a substance, usually a metal): the melt is deoxidized with ferrosilicon or aluminiumDerivatives deoxidation noun deoxidizer noun deoxidize in other Oxford dictionaries Definition of deoxidize in the US English dictionary